7.1
Safety instructions
Caution!
Risk of damage to the device by
short-circuits!
Before performing work on the
device, switch off the power
supply and secure it against
being switched on again.
Connect or disconnect the timer
and boiler only if they are not live.
Operating and installation manual timeSWITCH 140 two-channel timer with week programme / 838312_03
Safety instructions and regulations 7, Installation 8
7.2
All wiring must be in accordance with
Building Regulations Part P and BS 7671
(IEE Wiring Regulations), and must be
carried out by a suitably qualified per-
son.
8
Installation
The timer is connected to the boiler by
means of the contact pins on the back of
the timer. You must push the timer into
the installation recess intended for this
purpose in the electronic box of the
boiler to connect the boiler to the mains
supply.
Regulations
GB
23